Eating gum pain may be caused by gingivitis, apical periodontitis and other diseases. 1. Gingivitis: mainly caused by plaque inflammation of the gum tissue, may lead to bleeding gums, gum shape changes, may also lead to symptoms of eating gum pain. 2. Periapical periodontitis: an inflammatory disease that occurs in the tissues surrounding the root tip, an infection that exists mainly in the root canal system of the tooth, and may also lead to painful gums, and in some cases may cause the gums to have the appearance of abscesses. There may be other reasons for eating gum pain. In this case, you need to go to the hospital in time for examination, to clarify the cause of the disease, and follow the doctor’s instructions to standardize the treatment. Daily should pay attention to oral hygiene, insist on brushing every morning and evening, rinsing and flossing after meals.